added chromosome reference to UTR
added chromosome reference to UTR



Former-commit-id: efa9763e6ed43ac992972cf4f63fb58078409ef5
julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine